Results 41 to 50 of about 353,961 (321)

The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes

Frontiers in Psychology, 2021
Purpose: To investigate the effects of placebo (PLA), 20 min nap opportunity (N20), 5mg·kg−1 of caffeine (CAF), and their combination (CAF+N20) on sleepiness, mood and reaction-time after partial sleep deprivation (PSD; 04h30 of time in bed; study 1) or ...
Mohamed Romdhani, Mohamed Romdhani, Nizar Souissi, Nizar Souissi, Ismael Dergaa, Imen Moussa-Chamari, Olfa Abene, Hamdi Chtourou, Hamdi Chtourou, Zouheir Sahnoun, Tarak Driss, Karim Chamari, Omar Hammouda, Omar Hammouda   +13 more
doaj   +1 more source

The stimulating effect of bright light on physical performance depends on internal time. [PDF]

, 2012
The human circadian clock regulates the daily timing of sleep, alertness and performance and is synchronized to the 24-h day by the environmental light-dark cycle.
Forstner, Sebastian, Halle, Martin, Kantermann, Thomas, Roenneberg, Till, Schlangen, Luc, Schmidt-Trucksäss, Arno   +5 more
core   +4 more sources

Alerting Effect of Light: A Review of Daytime Studies

Journal of Daylighting, 2022
Light affects humans beyond only image formation. Several studies have reported that light can increase daytime alertness and can therefore be positively utilized to counter daytime fatigue and increase productivity in workspaces.
Margarita Alwalidi, Sabine Hoffmann
doaj   +1 more source

Making Memories: Why Time Matters [PDF]

, 2018
In the last decade advances in human neuroscience have identified the critical importance of time in creating long-term memories. Circadian neuroscience has established biological time functions via cellular clocks regulated by photosensitive retinal ...
Evans, M. D. R., Kelley, Jonathan, Kelley, Paul   +2 more
core   +2 more sources

Creativity, Proactive Personality, and Entrepreneurial Intention: The Role of Entrepreneurial Alertness

Frontiers in Psychology, 2018
This study examines the extent to which entrepreneurial alertness mediates the effects of students’ proactive personalities and creativity on entrepreneurial intention.
Rui Hu, Li Wang, W. Zhang, Peng Bin
semanticscholar   +1 more source

Critical Flicker Fusion Frequency: A Marker of Cerebral Arousal During Modified Gravitational Conditions Related to Parabolic Flights

Frontiers in Physiology, 2018
In situ evaluation of human brain performance and arousal remains challenging during operational circumstances, hence the need for a rapid, reliable and reproducible tool.
Costantino Balestra, Costantino Balestra, Marie-Laure Machado, Sigrid Theunissen, Ambre Balestra, Danilo Cialoni, Christian Clot, Christian Clot, Stépane Besnard, Laura Kammacher, Julie Delzenne, Julie Delzenne, Peter Germonpré, Peter Germonpré, Peter Germonpré, Pierre Lafère, Pierre Lafère, Pierre Lafère   +17 more
doaj   +1 more source

Scientific Opinion on the substantiation of a health claim related to caffeine and increased alertness pursuant to Article 13(5) of Regulation (EC) No 1924/2006 [PDF]

EFSA Journal, 2014
Following an application from SmithKline Beecham Limited, submitted for authorisation of a health claim pursuant to Article 13(5) of Regulation (EC) No 1924/2006 via the Competent Authority of United Kingdom, the EFSA Panel on Dietetic Products ...
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA)
doaj   +1 more source

One Hundred and Sixty-One Days in the Life of the Homopandemicus in Serbia: The Contribution of Information Credibility and Alertness in Predicting Engagement in Protective Behaviors

Frontiers in Psychology, 2021
COVID-19 pandemic is a long-lasting process associated with dynamic changes within society and in individual psychological responses. Effective communication of measures by credible sources throughout the epidemic is one of the crucial factors for the ...
Žan Lep, Sandra Ilić, Predrag Teovanović, Kaja Hacin Beyazoglu, Kaja Damnjanović   +4 more
doaj   +1 more source

Blue-light filtering spectacle lenses for visual performance, sleep, and macular health in adults [PDF]

, 2019
This is a protocol for a Cochrane Review (Intervention). The objectives are as follows: To assess whether blue-light filtering spectacle lenses impart effects on visual function, provide protection to the macula, or both.
Busija, L., Downie, L. E., Hull, C., Keller, P. R., Lawrenson, J. G.   +4 more
core   +1 more source

Older adults and withdrawal from benzodiazepine hypnotics in general practice: effects on cognitive function, sleep, mood and quality of life [PDF]

, 2003
Background: Older adults are the main recipients of repeat prescriptions for benzodiazepine (BZD) hypnotics. BZDs can impair cognitive function and may not aid sleep when taken continuously for years.
Collins, R., Curran, H.V., Fletcher, S., Iliffe, S., Kee, S.C.Y., Woods, B.   +5 more
core   +1 more source